Control buttons — two simple press buttons connected to two digital IOs

Radiation data, temperature and humidity can be reported every minutes via Z-Wave.
Radiation events can be indicated via the Z-Uno user LED.
Status information can be reported via the USB attached serial interface

Configuration options: Z-Wave reporting, LED activity and status reporting via serial interface can individually be enabled or disabled. Configurations are stored in the EEPROM and restored after power cycling.